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    Learn English > English lessons and exercises > English test #123926: Must or mustn't
    > Other English exercises on the same topic: Modals [Change theme]
    > Similar tests: - Modal : may/might - Placement test 1 - Modal can (video) - Which modal and when? - Modal verb : must / have to - Modal : can/could - Must / Have to - Modal verbs
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    Must or mustn't

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    English exercise "Must or mustn't" created by valdyeuse with The test builder. [More lessons & exercises from valdyeuse]
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    1. You be fit if you want to become a champion.

    2. Mum gave me a letter to post. I forget to post it.

    3. Whatever you do, you touch that switch. It's very dangerous.

    4. My sister go to Spain for her studies next year.

    5. The doctor told me that I stay in bed for a week.

    6. You unfasten your seat belt during take-off and landing.

    7. The boys be tired. They have been playing football all afternoon!

    8. You smoke when I'm here. I can't bear that!

    9. You park here! It's a fire exit!

    10. I cook the dinner: the children are very hungry!

    End of the free exercise to learn English: Must or mustn't
    A free English exercise to learn English.
    Other English exercises on the same topic : Modals | All our lessons and exercises